Чит коды на Tennis 2002 (Dreamcast)

Alternate Costume Color:
At the player selection screen, select a player and press L or R.

Play As King Or Queen:
Win all matches without using any continues.
Using a male character you'll face King, and he will be unlocked if you beat him.
Using a female character you'll face Queen and she will be unlocked if you beat her.
When you unlock them they will be at Level 1.
Each time you defeat them after unlocking them their level will go up.